Pith Number

pith:NCMBREKB

pith:2016:NCMBREKBPL7XWJV7YRRK5N2UCC

not attested not anchored not stored refs pending

Collaborative Filtering with User-Item Co-Autoregressive Models

Bo Zhang, Chao Du, Chongxuan Li, Jun Zhu, Yin Zheng

arxiv:1612.07146 v3 · 2016-12-21 · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCMBREKBPL7XWJV7YRRK5N2UCC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:11:28.307389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68981891417aff7b26bfc462aeb75410aa111767da9790cb116fb4e3c8e40f3d

Aliases

arxiv: 1612.07146 · arxiv_version: 1612.07146v3 · doi: 10.48550/arxiv.1612.07146 · pith_short_12: NCMBREKBPL7X · pith_short_16: NCMBREKBPL7XWJV7 · pith_short_8: NCMBREKB

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NCMBREKBPL7XWJV7YRRK5N2UCC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 68981891417aff7b26bfc462aeb75410aa111767da9790cb116fb4e3c8e40f3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aef2964d3b0d3f7a147dd840b336da3b9ecdf05cc5123b61aa80e5da7033621",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-12-21T14:35:26Z",
    "title_canon_sha256": "e8fa8a72652fa65fc3830fa16eb1a8a2ebfee36a5ab21a899f46a4b4f816de47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07146",
    "kind": "arxiv",
    "version": 3
  }
}